All inlined functions are Go functions, and thus should be capable of
having a FuncInfo. Missing FuncInfo is likely indication of a compiler
bug that dropped the symbol too early, failing to add it to the symbol
list used for writing output. I believe all existing cases have been
fixed; this check will prevent regressions.
The exception is -linkshared mode. There symbols are loaded from the
shared library, and the FuncInfo is not available. This is a bug, as it
can result in incorrect the FuncID in inlinedCall, but it is very
involved to fix.
For #54959.
For #55954.
Change-Id: Ib0dc4f1ea62525b55f68604d6013ff33223fdcdd
Reviewed-on: https://go-review.googlesource.com/c/go/+/429637
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The linker needs FuncInfo metadata for all inlined functions. This is
typically handled by gc.enqueueFunc calling ir.InitLSym for all function
declarations in typecheck.Target.Decls (ir.UseClosure adds all closures
to Decls).
However, non-trivial closures in Decls are ignored, and are insteaded
enqueued when walk of the calling function discovers them.
This presents a problem for direct calls to closures. Inlining will
replace the entire closure definition with its body, which hides the
closure from walk and thus suppresses symbol creation.
Explicitly create a symbol early in this edge case to ensure we keep
this metadata.
InitLSym needs to move out of ssagen to avoid a circular dependency (it
doesn't have anything to do with ssa anyway). There isn't a great place
for it, so I placed it in ir, which seemed least objectionable.
The added test triggers one of these inlined direct non-trivial closure
calls, though the test needs CL 429637 to fail, which adds a FuncInfo
assertion to the linker. Note that the test must use "run" instead of
"compile" since the assertion is in the linker, and "compiler" doesn't
run the linker.
Fixes#54959.
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This change moves Linux epoll's syscalls implementation to the
"runtime/internal/syscall" package. The intention in this CL was to
minimise behavioural changes but make the code more generalised. This
also will allow adding new syscalls (like epoll_pwait2) without the
need to implement assembly stubs for each arch.
It also drops epoll_create as not all architectures provide this call.
epoll_create1 was added to the kernel in version 2.6.27 and Go requires
Linux kernel version 2.6.32 or later since Go 1.18. So it is safe to
always use epoll_create1.
For #53824
For #51087
Change-Id: I9a6a26b7f2075a38e041de1bab4691da0ecb94fc
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This is predicted to reduce allocation, hence GC time.
(And it does.)
Change-Id: I30a46805b81e5ecd3fd7a6737f60ec26ef0498b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/434796
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Reviewed-by: Keith Randall <khr@google.com>
This reverts commit 6616573982, corresponding to CL 436915.
Reason for revert: this is causing some bootstrap build problems with older versions of Go 1.17, as I understand it. Still under investigation.
Change-Id: Idb6e17ff7b47004cbf87f967af6d84f214d8abb5
Reviewed-on: https://go-review.googlesource.com/c/go/+/435471
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Turn on the CoverageRedesign GOEXPERIMENT by default.
Updates #51430.
Change-Id: Id15c67ef0b6ac421b188d163fd2ce4a302abb3c9
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The minimum bootstrap version for Go ≥ 1.20 is Go 1.17. That version
supports the new style //go:build lines. Thus the old style //+build
lines can be dropped in this part of the tree as well. Leave the
//+build lines in cmd/dist which will ensure the minimum Go version
during bootstrap.
As suggested by Cherry during review of CL 430496
For #44505
Change-Id: If53c0b02cacbfb055a33e73cfd38578dfd3aa340
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already skips tests in case of the timestamp error, eg. #97757
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GitHub-Last-Rev: 8e5f607e14
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Updates #53466
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Rename "ifaceWords" to "efaceWords", since we are defining
an empty interface.
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Add the description of Setenv that it cannot use if the test have
parallel ancestors.
Fixes#55128
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The suffix should be 34 not 28. I misread the name because the
reloc listed before these two in the ABI is named "R_PC64_PCREL28".
Updates #54345
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Fix a couple of places where we still use "parameterized".
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